drm/tegra: Explicitly set irq_enabled
Since the Tegra DRM driver doesn't use the drm_irq_install() helper, the
irq_enabled flag needs to be set manually in order to make functionality
such as the DRM_IOCTL_WAIT_VBLANK work properly.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/host1x/drm/drm.c
index 2b561c9..78b07db 100644
--- a/drivers/gpu/host1x/drm/drm.c
+++ b/drivers/gpu/host1x/drm/drm.c
@@ -257,6 +257,13 @@
if (err < 0)
return err;
+ /*
+ * We don't use the drm_irq_install() helpers provided by the DRM
+ * core, so we need to set this manually in order to allow the
+ * DRM_IOCTL_WAIT_VBLANK to operate correctly.
+ */
+ drm->irq_enabled = 1;
+
err = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (err < 0)
return err;